455409915 has 16 divisors (see below), whose sum is σ = 730349088. Its totient is φ = 242320896.

The previous prime is 455409907. The next prime is 455409943. The reversal of 455409915 is 519904554.

It is not a de Polignac number, because 455409915 - 2³ = 455409907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28564 + ... + 41553.

It is an arithmetic number, because the mean of its divisors is an integer number (45646818).

Almost surely, 2^455409915 is an apocalyptic number.

455409915 is a deficient number, since it is larger than the sum of its proper divisors (274939173).

455409915 is a wasteful number, since it uses less digits than its factorization.

455409915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70558.

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 455409915 is about 21340.3354003633. The cubic root of 455409915 is about 769.3680737608.

It can be divided in two parts, 45540 and 9915, that added together give a palindrome (55455).

The spelling of 455409915 in words is "four hundred fifty-five million, four hundred nine thousand, nine hundred fifteen".